SCHEDULE: NOV 12-18, 2011

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Massively Parallel Computing of Magneto-Hydro-Dynamic Simulation Toward Peta and Exa Scale Computers

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Keiichiro FUKAZAWA, Takayuki UMEDA, Tatsuki OGINO

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
The massively parallel computational performance of magneto-hydro-dynamic (MHD) code is evaluated on the scalar type supercomputer system. We have made performance tuning of a three-dimensional MHD code for space plasma simulations on the Fujitsu PRIMERGY RX200 S6 (Xeon X5670) which is the new supercomputer system at Kyushu University. For parallelization of the MHD code toward peta and exa scale computing, we use three-dimensional domain decomposition method. As the results, we obtained the computation efficiency over 30% using 4704 cores (16TFlops) and good scalability. On the other hands, using the other supercomputer systems, we found that the computation efficiencies on Hitachi HA8000, SR16000/L2, Fujitsu HX600 and FX1 systems are less than that of PRIMERGY RX200 S6. The efficiency on NEC SX-9 which is the vector type computer is comparable with that of PRIMERGY RX200 S6.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Keiichiro FUKAZAWA - Kyuhsu Univ.

Takayuki UMEDA - Nagoya University

Tatsuki OGINO - Nagoya University

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